1 72 Prof. E. Forbes on Fossil Invertehrata from Southern India. 



Plate XIV. 



Fig. 1 a. Cardita striata : b. magnified portion of the surface. 



2. Area abrupta. 



3. Triffonia aliformis. 



4. Mytilus typicus. 



5 a. Pecten verdachellensis : b. portion of its surface magnified. 

 6. Gryphcea orientalis. 



7 a, b. Natica rugosissima. 



8 a. Pleurotomaria verdachellensis : b. portion of the body-whorl magnified. 



9 a. Ammonites Buddha, part of the body-whorl : b. portion of the back. 



10 a. Ammonites Sacya : b. back view : c. portion of the dorsal surface magnified, show- 

 ing the transverse striae and the form of the varix. 



Plate XV. 



Fig. 1 a, b. Natica suturalis. 



2 a. Tornatella semen, natural size : b. magnified portion of the surface of the body- 

 whorl : c. outline of the columella, showing the two folds. 

 3. Ringicula acuta : a. magnified : b. natural size. 

 4 a. Turritella Sowerbii : b. magnified portion, showing the sculpture of a whorl. 



5. Valuta trinchinopolitensis. 



6 a, b. Nerita comjjacta. 



7 a. Murex trinchinopolitensis : b. portion of the surface magnified. 



8 a. Dentalium ? hamatum : b. section. 



9 a. Strombus contortus : b. the canal viewed from one side, showing its peculiar curva- 



ture. 

 10 a. Magnified figure of Cerithium trinchinopolitense : b. its natural size. 



11. Chemnitzia undosa. 



12. Pyrula cancellata. 



13 a. Cardium altum, the full-grown shell : b. a young specimen : c. sculpture of the sur- 



face when decorticated. 



14 a. Poromya lata: b. magnified portion of the surface. 



15 «. Cardium incomptum, natural size: b. magnified. 



16 «. Area trinchinopolitensis : b. its hinge, beak and area. 

 17- Mactra tripartita. 



18. Psammobia inconspicua. 



19. Venus arcotensis. 



20. Venus analoya. 



21. Venus eximla. 



22 a. Pecten virgatus : b. a portion of the surface magnified. 



23 a. Astarte pluuissima : b. inner surface, showing the pallial and muscular impressions. 

 24. Ostrea amorpha. 



